size_t MessageEncoder::getEncodedSize(const qpid::types::Variant::Map& map, bool alwaysUseLargeMap)
{
size_t total = getEncodedSizeForElements(map);
//its not just the count that determines whether we can use a small map, but the aggregate size:
if (alwaysUseLargeMap || map.size()*2 > 255 || total > 255) total += 4/*size*/ + 4/*count*/;
else total += 1/*size*/ + 1/*count*/;
total += 1 /*code for map itself*/;
return total;
}
void MessageEncoder::writeApplicationProperties(const qpid::types::Variant::Map& properties)
{
writeApplicationProperties(properties, !optimise || properties.size()*2 > 255 || getEncodedSizeForElements(properties) > 255);
}
void MessageEncoder::writeMap(const qpid::types::Variant::Map& properties, const Descriptor* d, bool large)
{
void* token = large ? startMap32(d) : startMap8(d);
for (qpid::types::Variant::Map::const_iterator i = properties.begin(); i != properties.end(); ++i) {
writeString(i->first);
switch (i->second.getType()) {
case qpid::types::VAR_MAP:
case qpid::types::VAR_LIST:
//not allowed (TODO: revise, only strictly true for application-properties) whereas this is now a more general method)
QPID_LOG(warning, "Ignoring nested map/list; not allowed in application-properties for AMQP 1.0");
case qpid::types::VAR_VOID:
writeNull();
break;
case qpid::types::VAR_BOOL:
writeBoolean(i->second);
break;
case qpid::types::VAR_UINT8:
writeUByte(i->second);
break;
case qpid::types::VAR_UINT16:
writeUShort(i->second);
break;
case qpid::types::VAR_UINT32:
writeUInt(i->second);
break;
case qpid::types::VAR_UINT64:
writeULong(i->second);
break;
case qpid::types::VAR_INT8:
writeByte(i->second);
break;
case qpid::types::VAR_INT16:
writeShort(i->second);
break;
case qpid::types::VAR_INT32:
writeInt(i->second);
break;
case qpid::types::VAR_INT64:
writeULong(i->second);
break;
case qpid::types::VAR_FLOAT:
writeFloat(i->second);
break;
case qpid::types::VAR_DOUBLE:
writeDouble(i->second);
break;
case qpid::types::VAR_STRING:
if (i->second.getEncoding() == BINARY) {
writeBinary(i->second);
} else {
writeString(i->second);
}
break;
case qpid::types::VAR_UUID:
writeUuid(i->second);
break;
}
}
if (large) endMap32(properties.size()*2, token);
else endMap8(properties.size()*2, token);
}